New installation failing to take over from old installation

Ioannis Vranos ioannis.vranos at
Thu Jan 3 14:09:28 UTC 2013

On Thu, Jan 3, 2013 at 3:24 PM, Chris Green <cl at> wrote:
>> It seems as if the new installation doesn't see the 'first disk' as the
>> actual first disk used when the system boots.
> That was it!  There are three SATA devices on the system:-
>     SATA Channel 1 master - CDROM
>     SATA Channel 2 master - 320GB disk A
>     SATA Channel 3 master - 320GB disk B
> The BIOS had its disk boot order set up such that disk B was *before*
> disk A.  However the Lubuntu installation was assuming that Disk A was
> the boot disk.
> Resetting the BIOS so that the disk boot priority is in the same order
> as their pyhsical numbering has sorted things out, lubuntu 12.10 now
> boots!
> I still don't really understand why the 11.10 installation somehow
> managed to boot OK but still it's sorted now.

If you do not want the 11.10 installation, make sure you delete it.

Type the following, and copy and paste the results here, so as to give
you instructions on how to do it:

Note: -l is the lowercase -L.

sudo fdisk -l /dev/sda


sudo fdisk -l /dev/sdb


df -h


Ioannis Vranos

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